APA (7th ed.) Citation

United States. Forest Service. Northern Region. (1980). Guide to the common plants of Hells Canyon (1st rev.). U.S. Dept. of Agriculture, Forest Service, Northern Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Northern Region. Guide to the Common Plants of Hells Canyon. 1st rev. [Missoula, Mont.]: U.S. Dept. of Agriculture, Forest Service, Northern Region, 1980.

MLA (9th ed.) Citation

United States. Forest Service. Northern Region. Guide to the Common Plants of Hells Canyon. 1st rev. U.S. Dept. of Agriculture, Forest Service, Northern Region, 1980.